serverplugin

package
v0.0.0-...-d995e87 Latest Latest
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Published: Aug 29, 2019 License: Apache-2.0 Imports: 31 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	SendFileServiceName = "_filetransfer"
)

Functions

func GetFunctionName

func GetFunctionName(i interface{}) string

func InfluxDB

func InfluxDB(r metrics.Registry, d time.Duration, url, database, username, password string)

InfluxDB starts a InfluxDB reporter which will post the metrics from the given registry at each d interval.

func InfluxDBWithTags

func InfluxDBWithTags(r metrics.Registry, d time.Duration, url, database, username, password string, tags map[string]string)

InfluxDBWithTags starts a InfluxDB reporter which will post the metrics from the given registry at each d interval with the specified tags

func RegisterFileTransfer

func RegisterFileTransfer(s *server.Server, fileTransfer *FileTransfer)

RegisterFileTransfer register filetransfer service into the server.

Types

type AliasPlugin

type AliasPlugin struct {
	Aliases          map[string]*aliasPair
	ReseverseAliases map[string]*aliasPair
}

AliasPlugin can be used to set aliases for services

func NewAliasPlugin

func NewAliasPlugin() *AliasPlugin

NewAliasPlugin creates a new NewAliasPlugin

func (*AliasPlugin) Alias

func (p *AliasPlugin) Alias(aliasServicePath, aliasServiceMethod string, servicePath, serviceMethod string)

Alias sets a alias for the serviceMethod. For example Alias("anewpath&method", "Arith.mul")

func (*AliasPlugin) PostReadRequest

func (p *AliasPlugin) PostReadRequest(ctx context.Context, r *protocol.Message, e error) error

PostReadRequest converts the alias of this service.

func (*AliasPlugin) PreWriteResponse

func (p *AliasPlugin) PreWriteResponse(ctx context.Context, r *protocol.Message, res *protocol.Message) error

PreWriteResponse restore servicePath and serviceMethod.

type DownloadFileArgs

type DownloadFileArgs struct {
	FileName string `json:"file_name,omitempty"`
}

DownloadFileArgs args from clients.

type DownloadFileHandler

type DownloadFileHandler func(conn net.Conn, args *DownloadFileArgs)

DownloadFileHandler handles downloading file. Must close the connection after it finished.

type FileTransfer

type FileTransfer struct {
	Addr string
	// contains filtered or unexported fields
}

FileTransfer support transfer files from clients. It registers a file transfer service and listens a on the given port. Clients will invokes this service to get the token and send the token and the file to this port.

func NewFileTransfer

func NewFileTransfer(addr string, handler FileTransferHandler, downloadFileHandler DownloadFileHandler, waitNum int) *FileTransfer

NewFileTransfer creates a FileTransfer with given parameters.

func (*FileTransfer) Start

func (s *FileTransfer) Start() error

func (*FileTransfer) Stop

func (s *FileTransfer) Stop() error

type FileTransferArgs

type FileTransferArgs struct {
	FileName string            `json:"file_name,omitempty"`
	FileSize int64             `json:"file_size,omitempty"`
	Meta     map[string]string `json:"meta,omitempty"`
}

FileTransferArgs args from clients.

type FileTransferHandler

type FileTransferHandler func(conn net.Conn, args *FileTransferArgs)

FileTransferHandler handles uploading file. Must close the connection after it finished.

type FileTransferReply

type FileTransferReply struct {
	Token []byte `json:"token,omitempty"`
	Addr  string `json:"addr,omitempty"`
}

FileTransferReply response to token and addr to clients.

type FileTransferService

type FileTransferService struct {
	FileTransfer *FileTransfer
}

func (*FileTransferService) DownloadFile

func (s *FileTransferService) DownloadFile(ctx context.Context, args *DownloadFileArgs, reply *FileTransferReply) error

func (*FileTransferService) TransferFile

func (s *FileTransferService) TransferFile(ctx context.Context, args *FileTransferArgs, reply *FileTransferReply) error

type MDNSRegisterPlugin

type MDNSRegisterPlugin struct {
	// service address, for example, tcp@127.0.0.1:8972, quic@127.0.0.1:1234
	ServiceAddress string

	Metrics metrics.Registry
	// Registered services
	Services       []*serviceMeta
	UpdateInterval time.Duration
	// contains filtered or unexported fields
}

MDNSRegisterPlugin implements mdns/dns-sd registry.

func NewMDNSRegisterPlugin

func NewMDNSRegisterPlugin(serviceAddress string, port int, m metrics.Registry, updateInterval time.Duration, domain string) *MDNSRegisterPlugin

NewMDNSRegisterPlugin return a new MDNSRegisterPlugin. If domain is empty, use "local." in default.

func (*MDNSRegisterPlugin) HandleConnAccept

func (p *MDNSRegisterPlugin) HandleConnAccept(conn net.Conn) (net.Conn, bool)

HandleConnAccept handles connections from clients

func (*MDNSRegisterPlugin) Register

func (p *MDNSRegisterPlugin) Register(name string, rcvr interface{}, metadata string) (err error)

Register handles registering event. this service is registered at BASE/serviceName/thisIpAddress node

func (*MDNSRegisterPlugin) Start

func (p *MDNSRegisterPlugin) Start() error

Start starts to connect etcd cluster

func (*MDNSRegisterPlugin) Stop

func (p *MDNSRegisterPlugin) Stop() error

Stop unregister all services.

func (*MDNSRegisterPlugin) Unregister

func (p *MDNSRegisterPlugin) Unregister(name string) (err error)

type MetricsPlugin

type MetricsPlugin struct {
	Registry metrics.Registry
	Prefix   string
}

MetricsPlugin collects metrics of a rpc server. You can report metrics to log, syslog, Graphite, InfluxDB or others to display them in Dashboard such as grafana, Graphite.

func NewMetricsPlugin

func NewMetricsPlugin(registry metrics.Registry) *MetricsPlugin

NewMetricsPlugin creates a new MetricsPlugirn

func (*MetricsPlugin) Exp

func (p *MetricsPlugin) Exp()

Exp uses the same mechanism as the official expvar but exposed under /debug/metrics, which shows a json representation of all your usual expvars as well as all your go-metrics.

func (*MetricsPlugin) Graphite

func (p *MetricsPlugin) Graphite(freq time.Duration, prefix string, addr *net.TCPAddr)

Graphite reports metrics into graphite.

	addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:2003")
 p.Graphite(10e9, "metrics", addr)

func (*MetricsPlugin) HandleConnAccept

func (p *MetricsPlugin) HandleConnAccept(conn net.Conn) (net.Conn, bool)

HandleConnAccept handles connections from clients

func (*MetricsPlugin) InfluxDB

func (p *MetricsPlugin) InfluxDB(freq time.Duration, url, database, username, password string)

InfluxDB reports metrics into influxdb.

p.InfluxDB(10e9, "http://127.0.0.1:8086","metrics", "test","test"})

func (*MetricsPlugin) InfluxDBWithTags

func (p *MetricsPlugin) InfluxDBWithTags(freq time.Duration, url, database, username, password string, tags map[string]string)

InfluxDBWithTags reports metrics into influxdb with tags. you can set node info into tags.

p.InfluxDBWithTags(10e9, "http://127.0.0.1:8086","metrics", "test","test", map[string]string{"host":"127.0.0.1"})

func (*MetricsPlugin) Log

func (p *MetricsPlugin) Log(freq time.Duration, l metrics.Logger)

Log reports metrics into logs.

p.Log( 5 * time.Second, log.New(os.Stderr, "metrics: ", log.Lmicroseconds))

func (*MetricsPlugin) PostReadRequest

func (p *MetricsPlugin) PostReadRequest(ctx context.Context, r *protocol.Message, e error) error

PostReadRequest counts read

func (*MetricsPlugin) PostWriteResponse

func (p *MetricsPlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, e error) error

PostWriteResponse count write

func (*MetricsPlugin) PreReadRequest

func (p *MetricsPlugin) PreReadRequest(ctx context.Context) error

PreReadRequest marks start time of calling service

func (*MetricsPlugin) Register

func (p *MetricsPlugin) Register(name string, rcvr interface{}, metadata string) error

Register handles registering event.

type OpenCensusPlugin

type OpenCensusPlugin struct{}

func (OpenCensusPlugin) PostConnAccept

func (p OpenCensusPlugin) PostConnAccept(conn net.Conn) (net.Conn, bool)

func (OpenCensusPlugin) PostWriteResponse

func (p OpenCensusPlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, err error) error

func (OpenCensusPlugin) PreHandleRequest

func (p OpenCensusPlugin) PreHandleRequest(ctx context.Context, r *protocol.Message) error

func (OpenCensusPlugin) Register

func (p OpenCensusPlugin) Register(name string, rcvr interface{}, metadata string) error

func (OpenCensusPlugin) RegisterFunction

func (p OpenCensusPlugin) RegisterFunction(name string, fn interface{}, metadata string) error

type OpenTracingPlugin

type OpenTracingPlugin struct{}

func (OpenTracingPlugin) PostConnAccept

func (p OpenTracingPlugin) PostConnAccept(conn net.Conn) (net.Conn, bool)

func (OpenTracingPlugin) PostWriteResponse

func (p OpenTracingPlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, err error) error

func (OpenTracingPlugin) PreHandleRequest

func (p OpenTracingPlugin) PreHandleRequest(ctx context.Context, r *protocol.Message) error

func (OpenTracingPlugin) Register

func (p OpenTracingPlugin) Register(name string, rcvr interface{}, metadata string) error

func (OpenTracingPlugin) RegisterFunction

func (p OpenTracingPlugin) RegisterFunction(name string, fn interface{}, metadata string) error

type RateLimitingPlugin

type RateLimitingPlugin struct {
	FillInterval time.Duration
	Capacity     int64
	// contains filtered or unexported fields
}

RateLimitingPlugin can limit connecting per unit time

func NewRateLimitingPlugin

func NewRateLimitingPlugin(fillInterval time.Duration, capacity int64) *RateLimitingPlugin

NewRateLimitingPlugin creates a new RateLimitingPlugin

func (*RateLimitingPlugin) HandleConnAccept

func (plugin *RateLimitingPlugin) HandleConnAccept(conn net.Conn) (net.Conn, bool)

HandleConnAccept can limit connecting rate

type TracePlugin

type TracePlugin struct {
}

func (*TracePlugin) PostConnAccept

func (p *TracePlugin) PostConnAccept(conn net.Conn) (net.Conn, bool)

func (*TracePlugin) PostReadRequest

func (p *TracePlugin) PostReadRequest(ctx context.Context, r *protocol.Message, e error) error

func (*TracePlugin) PostWriteResponse

func (p *TracePlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, err error) error

func (*TracePlugin) Register

func (p *TracePlugin) Register(name string, rcvr interface{}, metadata string) error

func (*TracePlugin) RegisterFunction

func (p *TracePlugin) RegisterFunction(name string, fn interface{}, metadata string) error

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